Ivory seal surmounted by a dragon, Ming Dynasty (1368 - 1644), ivory, with carved decoration, seal 8.3 x 6.5 x 6.5 cm max. (height x width x depth), paper 9.1 x 9.1 cm (height x width). Presented by E. H. North, 1970. EA1970.70. © Ashmolean Museum, University of Oxford

 Ivory seal surmounted by a dragon bottom. © Ashmolean Museum, University of Oxford

 Ivory seal surmounted by a dragon front, seal impression. © Ashmolean Museum, University of Oxford